ELECOM 3.5mm Conversion Cable for Headsets Features: Allows you to use a PC headset with a smartphone/tablet PC. This conversion cable connects a PC headset (φ3.5mm mini plug x 2) to a smartphone/tablet PC. This conversion cable allows you to connect a headset with φ3.5mm mini plugs x 2 (microphone input terminal and earphone terminal) to the φ3.5mm 4-pole mini plug of a smartphone or tablet PC. *The call/end call buttons and mute buttons on the headset/headphone microphone are not supported because their operation varies depending on the device used. Detailed Information: Compatible Devices: Smartphones and tablet PCs equipped with a Φ3.5mm 4-pole mini jack Connector Shape 1: Φ3.5mm stereo mini jack x 2 (microphone/earphone) Connector Shape 2: Φ3.5mm 4-pole mini plug Length: Approximately 0.05m Specifications are subject to change without notice. Please be aware of this. Please refrain from purchasing if you are sensitive to minor imperfections due to amateur handling.